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Table 6 Predictive relationships between 18-month affect and gaze and 24-month ADOS total severity score

From: Affect and gaze responses during an Emotion-Evoking Task in infants at an increased likelihood for autism spectrum disorder

Variable

Model 1

Model 2

Model 3

B

β

B

β

B

β

Affect: baseline

Constant

7.09

 

7.99***

 

22.29***

 

Baseline 1

− 2.39

− .13

− 1.83

− .10

− 2.99

− .14

Baseline 2

3.69

.16

3.67

.16

3.06

.14

Baseline 3

2.86

.17

3.22

.19

4.28

.25

Enrollment group

–

–

− 3.83*

− .28

− 3.86*

− .30

Receptive language

–

–

–

–

− .52**

− .42

Expressive language

–

–

–

–

− .32

.17

R2

.08

 

.15

 

.49

 

F (p)

1.60 (.20)

 

2.59 (.046)*

 

6.71(<.001)***

 

Gaze: baseline

Constant

2.64

 

3.63

 

19.26***

 

Baseline 1

.07

.22

.06

.20

.003

.009

Baseline 2

− .02

− .06

− .005

− .02

− .004

− .02

Baseline 3

.003

.01

− .008

− .04

.05

.20

Enrollment group

–

–

− 2.97

− .21

− 3.12

− .24

Receptive language

–

–

–

–

− .42*

− .34

Expressive language

–

–

–

–

− .51

− .27

R2

.04

 

.08

 

.40

 

F (p)

.75 (.53)

 

1.30 (.28)

 

4.74 (.001)***

 

Affect: EE task

Constant

5.84***

 

6.34***

 

21.01***

 

Bubbles

− .28

− .02

.61

.04

− 1.56

− .09

Toy play

− .37

− .02

− .45

− .03

− .60

− .04

Toy removal

2.76

.18

2.35

.15

3.40

.21

Mask 1

− 1.13

− .09

− .74

− .06

− 2.30

− .14

Mask 2

3.99*

.40

3.66*

.36

1.76

.13

Hair brushing

.58

.05

1.54

.14

.29

.20

Face washing

− 5.28***

− .48

− 5.34***

− .49

− 4.38*

− .29

Enrollment group

–

–

− 3.39*

− .25

− 1.60

− .12

Receptive language

–

–

–

–

− .27

− .22

Expressive language

–

–

–

–

− .60

− .32

R2

.26

 

.31

 

.49

 

F (p)

2.75 (.016)*

 

3.09 (.006)**

3.58 (.002)**

  

Gaze: EE task

Constant

11.28

 

10.43

 

21.48**

 

Bubbles

.07

.15

.07

.16

.07

.16

Toy play

− .006

− .02

− .01

− .03

.002

.006

Toy removal

− .08*

− .31

− .07

− .27

− .05

− .17

Mask 1

− .12*

− .43

− .11*

− .40

− .14**

− .47

Mask 2

.04

.17

.04

.17

.04

.14

Hair brushing

.09*

.27

.09*

.29

− .02

− .05

Face washing

− .02

− .10

− .09

− .04

.15

.04

Enrollment group

–

–

− 1.76

− .13

− 2.28

− .17

Receptive language

–

–

–

–

− .46*

− .37

Expressive language

–

–

–

–

− .11

− .06

R2

.25

 

.27

 

.53

 

F (p)

2.63 (.021)*

 

2.41 (.027)*

 

4.08 (.001)***

 
  1. Bolded items indicate significant results following multiple corrections
  2. * p < .05, ** p < .01, *** p < .001 for co-efficient; ‘-‘ not included in model